Fix: php artisan db command if no password

If there is no password in the database connection, it will not be connected and an error will be thrown.

Author: mr-chetan

src/Illuminate/Database/Console/DbCommand.php

@@ -162,7 +162,7 @@ protected function getMysqlArguments(array $connection)
             '--port='.$connection['port'],
             '--user='.$connection['username'],
         ], $this->getOptionalArguments([
-            'password' => '--password='.$connection['password'],
+            $connection['password'] ? 'password' => '--password='.$connection['password'] : '',
             'unix_socket' => '--socket='.($connection['unix_socket'] ?? ''),
             'charset' => '--default-character-set='.($connection['charset'] ?? ''),
         ], $connection), [$connection['database']]);